<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        #d1{
            width: 100px;
            height: 100px;
            background-color: rebeccapurple;
           
        }
        #d1:hover{
            transition: all .5s linear;
            /* transform: rotate(45deg) */
           /* height:200px ; */
            /* transform: rotate(30deg); */
            /* transform: translate(100px,100px); */
            /* transform: scaleX(2); */
            /* transition:all .1s linear; */
            /* transform: skew(-10deg,-10deg); */
            height: 200px;
            width: 200px;
            /* transition-property: height;
            transition-timing-function:linear; */
        }
    </style>
</head>
<body>
    <div id='d1'></div>
</body>
</html>